01 Knee
Last updated
Last updated
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patella: in front of knee. Knee cap
menisci: cushings
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where femur meets knee joint: 2 condyles
tibia also has condyles
tibial tuberosity: ligament attach to patella inserts here
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pull tibia forward in lower leg restricted
find patellar first
top bone: femur
bottom bone: tibia
left pic: black line attaching to anterior tibia (anterior cruciating)
right pic: black line attach to posterior tibia (posterior cruciating)
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valgus: distal bone in joint moves away from midline. V for upside down V
does not attach to tibia but fibula
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MRI: triangular black triangles on either side of knee
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NFL football
ACL resists forward movement
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car crash, knee into dashboard, push lower leg backward
increased backward movement of the tibia against a fixed femur
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push knee medially or pull laterally
tackle in football or just twisted
test: passively move leg into valgus position: medial space widens
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foot planted, someone wacks from side, pushes knee medially
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difficult to injure, need force on inside of knee
massive trauma that damages everything
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A meniscus injury typically shows a small joint effusion and crepitus, locking, or catching with range of motion.
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joints often surrounded by bursa
slippery cushings
[_](baker's cyst cause, symptoms)..
any injury would cause cyst from communication of synovium and bursa
degenerative osteoarthritis, inflammatory arthritis
white
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